Home / 8,509.80-11,746.44-5,865.96

Finding the Fourth Proportional to 8,509.80, 11,746.44 and 5,865.96

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Solution

The fourth proportional to 8,509.80, 11,746.44 and 5,865.96 is: 8,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.80 : 11,746.44 = 5,865.96 : x
  2. Step 2: Convert to fraction form
    8,509.80/11,746.44 = 5,865.96/x
  3. Step 3: Cross multiply
    8,509.80x = 11,746.44 × 5,865.96
  4. Step 4: Simplify right side
    8,509.80x = 68,904,147.18
  5. Step 5: Solve for x
    x = 68,904,147.18/8,509.80
  6. Step 6: Final answer
    x = 8,097.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.